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Single node multiple forwarding paths

A path and node technology, applied in the field of single-node multi-forwarding paths, which can solve problems such as delayed triggering of alarms and wasting time

Pending Publication Date: 2021-08-31
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of utilizing an alternate path following a failure of the primary path has the potential to waste valuable time, thereby potentially delaying triggering of an alarm (e.g., activating one or more notification devices) in the end

Method used

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  • Single node multiple forwarding paths
  • Single node multiple forwarding paths

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Experimental program
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Embodiment Construction

[0037] Hazard detection systems are configured to detect the presence of hazards (eg, fire alarms, carbon monoxide, etc.) in a particular environment (eg, office buildings, apartment complexes, etc.). These systems may include a plurality of interconnected control panels, at least one of which is configured to trigger an alarm upon detection of a hazard by a hazard detector. For example, a hazard detector communicatively connected to one control panel can detect the presence of hazards within the environment, and the control panel can communicate the presence of hazards (e.g., by transmitting data packets) to another control panel, where Trigger an alert (for example, using one or more notification devices). In some cases, these control panels may be connected by one or more physical links (e.g., hardwired) and / or may be connected by one or more wireless connections (e.g., using Wi-Fi, Bluetooth, Bluetooth Low Energy (BTLE), Zigbee, Infrared or Cellular) connectivity.

[003...

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PUM

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Abstract

A node within a network including a plurality of interconnected nodes, and a method for operating a network that includes a plurality of interconnected nodes are provided. The network includes a primary path and an alternate path. Each path is respectively configured to connect a source node to a receiving node. The alternate path may include at least one more intermediate node than the primary path. Both the primary path and the alternate path are stored in a routing table. The data packets may be transmitted, substantially simultaneously, from the source node via the primary path and via the alternate path toward the receiving node. The data packets are accepted and forward by the receiving node. The determination of where to forward the data packets may be done locally by inspecting the incoming data packets.

Description

Background technique [0001] Hazard detection systems (eg, fire detection systems) typically include multiple control panels. Each control panel can be connected to one or more hazard detectors, notification devices (e.g. horns, strobes, annunciators, etc.), alarm triggers (e.g. pull stations, call points ), door alarms, etc.) and other infrastructure that can be communicatively linked. Typically, control panels are configured to communicate information (eg, as data packets) to each other (eg, as data packets) in order to trigger an alarm (eg, activate a notification device) in case a hazard (eg, fire alarm) is detected (eg, by a hazard detector). Ideally, the alarm is triggered as close as possible to the detection of danger. [0002] To ensure that a hazard detection system is able to transmit information in the event of a fault or interruption in the primary transmission path (for example, from a control panel where a hazard is detected to a control panel that triggers an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/703H04L12/707H04L45/16H04L45/24H04L45/28
CPCH04L45/24H04L45/22H04L45/28H04L45/16H04L45/243
Inventor A·蒙特罗
Owner CARRIER CORP